Remove obsolete QT_VERSION checks

We depend on Qt 5.15 nowadays, so we can get rid of all existing
QT_VERSION checks in that area to reduce clutter.

kdevplatform/debugger/breakpoint/breakpointmodel.h

@@ -186,14 +186,7 @@ private:
     Q_DECLARE_PRIVATE(BreakpointModel)
 };
 
-#if QT_VERSION >= QT_VERSION_CHECK(5, 12, 0)
 Q_DECLARE_OPERATORS_FOR_FLAGS(BreakpointModel::ColumnFlags)
-#endif
-
 }
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 12, 0)
-Q_DECLARE_OPERATORS_FOR_FLAGS(KDevelop::BreakpointModel::ColumnFlags)
-#endif
-
 #endif

kdevplatform/debugger/interfaces/ivariablecontroller.h

@@ -79,14 +79,7 @@ private:
     Q_DECLARE_PRIVATE(IVariableController)
 };
 
-#if QT_VERSION >= QT_VERSION_CHECK(5, 12, 0)
 Q_DECLARE_OPERATORS_FOR_FLAGS(IVariableController::UpdateTypes)
-#endif
-
 } // namespace KDevelop
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 12, 0)
-Q_DECLARE_OPERATORS_FOR_FLAGS(KDevelop::IVariableController::UpdateTypes)
-#endif
-
 #endif

kdevplatform/interfaces/idocumentcontroller.h

@@ -216,14 +216,7 @@ Q_SIGNALS:
     friend class IDocument;
 };
 
-#if QT_VERSION >= QT_VERSION_CHECK(5, 12, 0)
 Q_DECLARE_OPERATORS_FOR_FLAGS(IDocumentController::DocumentActivationParams)
-#endif
-
 } // namespace KDevelop
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 12, 0)
-Q_DECLARE_OPERATORS_FOR_FLAGS(KDevelop::IDocumentController::DocumentActivationParams)
-#endif
-
 #endif

kdevplatform/interfaces/isourceformatter.cpp

@@ -180,21 +180,13 @@ QString ISourceFormatter::optionMapToString(const QMap<QString, QVariant> &map)
 
 QMap<QString, QVariant> ISourceFormatter::stringToOptionMap(const QString &options)
 {
-	QMap<QString, QVariant> map;
-#if QT_VERSION >= QT_VERSION_CHECK(5, 15, 0)
+    QMap<QString, QVariant> map;
     const auto pairs = options.splitRef(QLatin1Char(','), Qt::SkipEmptyParts);
     for (auto& pair : pairs) {
         const int pos = pair.indexOf(QLatin1Char('='));
         map.insert(pair.left(pos).toString(), pair.mid(pos+1).toString());
-	}
-#else
-	const QStringList pairs = options.split(QLatin1Char(','), QString::SkipEmptyParts);
-	for (auto& pair : pairs) {
-		const QStringList bits = pair.split(QLatin1Char('='));
-		map[bits[0]] = bits[1];
-	}
-#endif
-	return map;
+    }
+    return map;
 }
 
 SourceFormatterStyle::MimeList ISourceFormatter::mimeTypesSupportedByBuiltInStyles()

kdevplatform/language/backgroundparser/parsejob.cpp

@@ -223,11 +223,7 @@ ReferencedTopDUContext ParseJob::duChain() const
 bool ParseJob::abortRequested() const
 {
     Q_D(const ParseJob);
-#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
     return d->abortRequested.loadRelaxed() != 0;
-#else
-    return d->abortRequested.load() != 0;
-#endif
 }
 
 void ParseJob::requestAbort()

kdevplatform/language/backgroundparser/parsejob.h

@@ -231,14 +231,7 @@ private:
     Q_DECLARE_PRIVATE(ParseJob)
 };
 
-#if QT_VERSION >= QT_VERSION_CHECK(5, 12, 0)
 Q_DECLARE_OPERATORS_FOR_FLAGS(ParseJob::SequentialProcessingFlags)
-#endif
-
 }
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 12, 0)
-Q_DECLARE_OPERATORS_FOR_FLAGS(KDevelop::ParseJob::SequentialProcessingFlags)
-#endif
-
 #endif

kdevplatform/language/codegen/documentchangeset.cpp

@@ -208,13 +208,8 @@ DocumentChangeSet::ChangeResult DocumentChangeSet::applyAllChanges()
     }
 
     QList<QUrl> allFiles;
-#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
-    const auto changedFiles =
-        QSet<KDevelop::IndexedString>(d->documentsRename.keyBegin(), d->documentsRename.keyEnd()) +
-        QSet<KDevelop::IndexedString>(d->changes.keyBegin(), d->changes.keyEnd());
-#else
-    const auto changedFiles = d->documentsRename.keys().toSet() + d->changes.keys().toSet();
-#endif
+    const auto changedFiles = QSet<KDevelop::IndexedString>(d->documentsRename.keyBegin(), d->documentsRename.keyEnd())
+        + QSet<KDevelop::IndexedString>(d->changes.keyBegin(), d->changes.keyEnd());
     allFiles.reserve(changedFiles.size());
     for (const IndexedString& file : changedFiles) {
         allFiles << file.toUrl();

kdevplatform/language/codegen/templaterenderer.cpp

@@ -123,11 +123,7 @@ QString TemplateRenderer::render(const QString& content, const QString& name)
     }
 
     if (d->emptyLinesPolicy == TrimEmptyLines && output.contains(QLatin1Char('\n'))) {
-#if QT_VERSION >= QT_VERSION_CHECK(5, 15, 0)
         QStringList lines = output.split(QLatin1Char('\n'), Qt::KeepEmptyParts);
-#else
-        QStringList lines = output.split(QLatin1Char('\n'), QString::KeepEmptyParts);
-#endif
         QMutableStringListIterator it(lines);
 
         // Remove empty lines from the start of the document
@@ -182,11 +178,7 @@ QString TemplateRenderer::render(const QString& content, const QString& name)
 
         output = lines.join(QLatin1Char('\n'));
     } else if (d->emptyLinesPolicy == RemoveEmptyLines) {
-#if QT_VERSION >= QT_VERSION_CHECK(5, 15, 0)
         QStringList lines = output.split(QLatin1Char('\n'), Qt::SkipEmptyParts);
-#else
-        QStringList lines = output.split(QLatin1Char('\n'), QString::SkipEmptyParts);
-#endif
         QMutableStringListIterator it(lines);
         while (it.hasNext()) {
             if (it.next().trimmed().isEmpty()) {

kdevplatform/language/duchain/abstractfunctiondeclaration.h

@@ -84,9 +84,7 @@ private:
     virtual AbstractFunctionDeclarationData* dynamicData() = 0;
 };
 
-#if QT_VERSION >= QT_VERSION_CHECK(5, 12, 0)
 Q_DECLARE_OPERATORS_FOR_FLAGS(AbstractFunctionDeclaration::FunctionSpecifiers)
-#endif
 
 ///Use this to merge AbstractFunctionDeclaration into the class hierarchy. Base must be the base-class
 ///in the hierarchy, and Data must be the Data class of the following Declaration, and must be based on AbstractFunctionDeclarationData
@@ -123,8 +121,4 @@ private:
 
 }
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 12, 0)
-Q_DECLARE_OPERATORS_FOR_FLAGS(KDevelop::AbstractFunctionDeclaration::FunctionSpecifiers)
-#endif
-
 #endif // KDEVPLATFORM_ABSTRACTFUNCTIONDECLARATION_H

kdevplatform/language/duchain/classmemberdeclaration.h

@@ -94,14 +94,7 @@ private:
     Declaration* clonePrivate() const override;
 };
 
-#if QT_VERSION >= QT_VERSION_CHECK(5, 12, 0)
 Q_DECLARE_OPERATORS_FOR_FLAGS(ClassMemberDeclaration::StorageSpecifiers)
-#endif
-
 }
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 12, 0)
-Q_DECLARE_OPERATORS_FOR_FLAGS(KDevelop::ClassMemberDeclaration::StorageSpecifiers)
-#endif
-
 #endif // KDEVPLATFORM_CLASSMEMBERDECLARATION_H

kdevplatform/language/duchain/definitions.cpp

@@ -15,16 +15,6 @@
 #include "serialization/itemrepository.h"
 
 namespace KDevelop {
-
-using TextStreamFunction = QTextStream& (*)(QTextStream&);
-#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
-constexpr TextStreamFunction endl = Qt::endl;
-#else
-constexpr TextStreamFunction endl = ::endl;
-#endif
-
-
-
 DEFINE_LIST_MEMBER_HASH(DefinitionsItem, definitions, IndexedDeclaration)
 
 class DefinitionsItem
@@ -130,11 +120,11 @@ public:
         auto id = item->declaration;
         const auto allDefinitions = definitions->definitions(id);
 
-        qout << "Definitions for" << id.qualifiedIdentifier() << endl;
+        qout << "Definitions for" << id.qualifiedIdentifier() << Qt::endl;
         for (const IndexedDeclaration& decl : allDefinitions) {
             if (decl.data()) {
-                qout << " " << decl.data()->qualifiedIdentifier() << "in" << decl.data()->url().byteArray() << "at" <<
-                    decl.data()->rangeInCurrentRevision() << endl;
+                qout << " " << decl.data()->qualifiedIdentifier() << "in" << decl.data()->url().byteArray() << "at"
+                     << decl.data()->rangeInCurrentRevision() << Qt::endl;
             }
         }
 

kdevplatform/language/duchain/duchain.cpp

@@ -20,9 +20,7 @@
 #include <QMutexLocker>
 #include <QRecursiveMutex>
 #include <QTimer>
-#if QT_VERSION >= QT_VERSION_CHECK(5, 10, 0)
 #include <QRandomGenerator>
-#endif
 
 #include <interfaces/idocumentcontroller.h>
 #include <interfaces/icore.h>
@@ -950,11 +948,7 @@ unloadContexts:
                  it != m_fileEnvironmentInformations.end();) {
                 ParsingEnvironmentFile* f = it->data();
                 Q_ASSERT(f->d_func()->classId);
-#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
                 if (f->ref.loadRelaxed() == 1) {
-#else
-                if (f->ref.load() == 1) {
-#endif
                     Q_ASSERT(!f->d_func()->isDynamic()); //It cannot be dynamic, since we have stored before
                     //The ParsingEnvironmentFilePointer is only referenced once. This means that it does not belong to any
                     //loaded top-context, so just remove it to save some memory and processing time.
@@ -1101,12 +1095,8 @@ unloadContexts:
         if (checkContextsCount < percentageOfContexts)
             checkContextsCount = percentageOfContexts;
 
-        if (visitor.checkContexts.size() > ( int )checkContextsCount)
-#if QT_VERSION >= QT_VERSION_CHECK(5, 10, 0)
+        if (visitor.checkContexts.size() > (int)checkContextsCount)
             startPos = QRandomGenerator::global()->bounded(visitor.checkContexts.size() - checkContextsCount);
-#else
-            startPos = qrand() % (visitor.checkContexts.size() - checkContextsCount);
-#endif
 
         int endPos = startPos + maxFinalCleanupCheckContexts;
         if (endPos > visitor.checkContexts.size())

kdevplatform/language/duchain/duchaindumper.cpp

@@ -40,15 +40,6 @@ QDebug fromTextStream(const QTextStream& out)
 }
 
 namespace KDevelop {
-
-using TextStreamFunction = QTextStream& (*)(QTextStream&);
-#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
-constexpr TextStreamFunction endl = Qt::endl;
-#else
-constexpr TextStreamFunction endl = ::endl;
-#endif
-
-
 QString typeToString(DUContext::ContextType type)
 {
     switch (type) {
@@ -115,13 +106,13 @@ void DUChainDumperPrivate::dumpProblems(TopDUContext* top, QTextStream& out)
     QDebug qout = fromTextStream(out);
 
     if (!top->problems().isEmpty()) {
-        qout << top->problems().size() << "problems encountered:" << endl;
+        qout << top->problems().size() << "problems encountered:" << Qt::endl;
         const auto problems = top->problems();
         for (const ProblemPointer& p : problems) {
-            qout << Indent(m_indent * 2) << p->description() << p->explanation() << p->finalLocation() << endl;
+            qout << Indent(m_indent * 2) << p->description() << p->explanation() << p->finalLocation() << Qt::endl;
         }
 
-        qout << endl;
+        qout << Qt::endl;
     }
 }
 
@@ -131,15 +122,14 @@ void DUChainDumperPrivate::dump(DUContext* context, int allowedDepth, bool isFro
 
     qout << Indent(m_indent * 2) << (isFromImport ? " ==import==>" : "")
          << (dynamic_cast<TopDUContext*>(context) ? "Top-Context" : "Context") << typeToString(context->type())
-         << "(owner: " << context->owner() << ")"
-         << context << context->localScopeIdentifier() << "[" << context->scopeIdentifier(true) << "]"
-         << context->range().castToSimpleRange()
+         << "(owner: " << context->owner() << ")" << context << context->localScopeIdentifier() << "["
+         << context->scopeIdentifier(true) << "]" << context->range().castToSimpleRange()
          << (dynamic_cast<TopDUContext*>(context) ? static_cast<TopDUContext*>(context)->url().byteArray() : "")
-         << endl;
+         << Qt::endl;
 
     if (m_visitedContexts.contains(context)) {
-        qout << Indent((m_indent + 2) * 2) << "(Skipping" << context->scopeIdentifier(true) <<
-            "because it was already printed)" << endl;
+        qout << Indent((m_indent + 2) * 2) << "(Skipping" << context->scopeIdentifier(true)
+             << "because it was already printed)" << Qt::endl;
         return;
     }
 
@@ -151,26 +141,26 @@ void DUChainDumperPrivate::dump(DUContext* context, int allowedDepth, bool isFro
         for (Declaration* dec : localDeclarations) {
             //IdentifiedType* idType = dynamic_cast<IdentifiedType*>(dec->abstractType().data());
 
-            qout << Indent((m_indent + 2) * 2) << "Declaration:" << dec->toString() << "[" <<
-                dec->qualifiedIdentifier() << "]"
-                 << dec << "(internal ctx:" << dec->internalContext() << ")" << dec->range().castToSimpleRange() << ","
+            qout << Indent((m_indent + 2) * 2) << "Declaration:" << dec->toString() << "[" << dec->qualifiedIdentifier()
+                 << "]" << dec << "(internal ctx:" << dec->internalContext() << ")" << dec->range().castToSimpleRange()
+                 << ","
                  << (dec->isDefinition() ? "defined, " : (FunctionDefinition::definition(dec) ? "" : "no definition, "))
-                 << dec->uses().count() << "use(s)." << endl;
+                 << dec->uses().count() << "use(s)." << Qt::endl;
             if (FunctionDefinition::definition(dec)) {
-                qout << Indent((m_indent + 2) * 2 + 1) << "Definition:" <<
-                    FunctionDefinition::definition(dec)->range().castToSimpleRange() << endl;
+                qout << Indent((m_indent + 2) * 2 + 1)
+                     << "Definition:" << FunctionDefinition::definition(dec)->range().castToSimpleRange() << Qt::endl;
             }
             const auto uses = dec->uses();
             for (auto it = uses.constBegin(); it != uses.constEnd(); ++it) {
-                qout << Indent((m_indent + 3) * 2) << "File:" << it.key().str() << endl;
+                qout << Indent((m_indent + 3) * 2) << "File:" << it.key().str() << Qt::endl;
                 for (const RangeInRevision range : qAsConst(*it)) {
-                    qout << Indent((m_indent + 4) * 2) << "Use:" << range.castToSimpleRange() << endl;
+                    qout << Indent((m_indent + 4) * 2) << "Use:" << range.castToSimpleRange() << Qt::endl;
                 }
             }
         }
     } else {
-        qout << Indent((m_indent + 2) * 2) << context->localDeclarations(top).count()
-             << "Declarations," << context->childContexts().size() << "child-contexts" << endl;
+        qout << Indent((m_indent + 2) * 2) << context->localDeclarations(top).count() << "Declarations,"
+             << context->childContexts().size() << "child-contexts" << Qt::endl;
     }
 
     ++m_indent;
@@ -180,7 +170,7 @@ void DUChainDumperPrivate::dump(DUContext* context, int allowedDepth, bool isFro
            for (const DUContext::Import& parent : importedParentContexts) {
            DUContext* import = parent.context(top);
            if(!import) {
-              qout << Indent((m_indent+2) * 2+1) << "Could not get parent, is it registered in the DUChain?" << endl;
+              qout << Indent((m_indent+2) * 2+1) << "Could not get parent, is it registered in the DUChain?" << Qt::endl;
               continue;
            }
 
@@ -203,7 +193,7 @@ void DUChainDumper::dump(DUContext* context, int allowedDepth, QTextStream& out)
     d->m_visitedContexts.clear();
 
     if (!context) {
-        out << "Error: Null context" << endl;
+        out << "Error: Null context" << Qt::endl;
         return;
     }
 

kdevplatform/language/duchain/duchainlock.cpp

@@ -115,11 +115,7 @@ bool DUChainLock::lockForWrite(uint timeout)
 
     Q_ASSERT(d->ownReaderRecursion() == 0);
 
-#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
     if (d->m_writer.loadRelaxed() == QThread::currentThread()) {
-#else
-    if (d->m_writer.load() == QThread::currentThread()) {
-#endif
         //We already hold the write lock, just increase the recursion count and return
         d->m_writerRecursion.fetchAndAddRelaxed(1);
         return true;
@@ -132,19 +128,10 @@ bool DUChainLock::lockForWrite(uint timeout)
 
     while (1) {
         //Try acquiring the write-lcok
-#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
-        if (d->m_totalReaderRecursion.loadRelaxed() == 0 &&
-#else
-        if (d->m_totalReaderRecursion.load() == 0 &&
-#endif
-            d->m_writerRecursion.testAndSetOrdered(0, 1)) {
+        if (d->m_totalReaderRecursion.loadRelaxed() == 0 && d->m_writerRecursion.testAndSetOrdered(0, 1)) {
             //Now we can be sure that there is no other writer, as we have increased m_writerRecursion from 0 to 1
             d->m_writer = QThread::currentThread();
-#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
             if (d->m_totalReaderRecursion.loadRelaxed() == 0) {
-#else
-            if (d->m_totalReaderRecursion.load() == 0) {
-#endif
                 //There is still no readers, we have successfully acquired a write-lock
                 return true;
             } else {
@@ -174,11 +161,7 @@ void DUChainLock::releaseWriteLock()
     //The order is important here, m_writerRecursion protects m_writer
 
     //TODO: could testAndSet here
-#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
     if (d->m_writerRecursion.loadRelaxed() == 1) {
-#else
-    if (d->m_writerRecursion.load() == 1) {
-#endif
         d->m_writer = nullptr;
         d->m_writerRecursion = 0;
     } else {
@@ -190,11 +173,7 @@ bool DUChainLock::currentThreadHasWriteLock() const
 {
     Q_D(const DUChainLock);
 
-#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
     return d->m_writer.loadRelaxed() == QThread::currentThread();
-#else
-    return d->m_writer.load() == QThread::currentThread();
-#endif
 }
 
 DUChainReadLocker::DUChainReadLocker(DUChainLock* duChainLock, uint timeout)

kdevplatform/language/duchain/navigation/abstractnavigationcontext.h

@@ -42,9 +42,7 @@ struct KDEVPLATFORMLANGUAGE_EXPORT Colorizer
     Formatting m_formatting;
 };
 
-#if QT_VERSION >= QT_VERSION_CHECK(5, 12, 0)
 Q_DECLARE_OPERATORS_FOR_FLAGS(Colorizer::Formatting)
-#endif
 
 class AbstractNavigationContext;
 using NavigationContextPointer = QExplicitlySharedDataPointer<AbstractNavigationContext>;
@@ -164,8 +162,4 @@ private:
 
 }
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 12, 0)
-Q_DECLARE_OPERATORS_FOR_FLAGS(KDevelop::Colorizer::Formatting)
-#endif
-
 #endif

kdevplatform/language/duchain/persistentsymboltable.cpp

@@ -29,14 +29,6 @@ namespace {
 // For now, just _always_ use the cache
 const uint MinimumCountForCache = 1;
 
-using TextStreamFunction = QTextStream& (*)(QTextStream&);
-
-#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
-constexpr TextStreamFunction endl = Qt::endl;
-#else
-constexpr TextStreamFunction endl = ::endl;
-#endif
-
 QDebug fromTextStream(const QTextStream& out)
 {
     if (out.device())
@@ -447,21 +439,21 @@ struct DebugVisitor
             IndexedDeclaration decl(item->declarations()[a]);
             if (!decl.isDummy()) {
                 if (declarations.contains(decl)) {
-                    qout << "declaration found for multiple identifiers. Previous identifier:" <<
-                        declarations[decl].toString() << "current identifier:" << id.toString() << endl;
+                    qout << "declaration found for multiple identifiers. Previous identifier:"
+                         << declarations[decl].toString() << "current identifier:" << id.toString() << Qt::endl;
                 } else {
                     declarations.insert(decl, id);
                 }
             }
             if (decl.data() && decl.data()->qualifiedIdentifier() != item->id.identifier()) {
-                qout << decl.data()->url().str() << "declaration" << decl.data()->qualifiedIdentifier() <<
-                    "is registered as" << item->id.identifier() << endl;
+                qout << decl.data()->url().str() << "declaration" << decl.data()->qualifiedIdentifier()
+                     << "is registered as" << item->id.identifier() << Qt::endl;
             }
 
             const QString url = IndexedTopDUContext(decl.topContextIndex()).url().str();
             if (!decl.data() && !decl.isDummy()) {
-                qout << "Item in symbol-table is invalid:" << id.toString() << "- localIndex:" << decl.localIndex() <<
-                    "- url:" << url << endl;
+                qout << "Item in symbol-table is invalid:" << id.toString() << "- localIndex:" << decl.localIndex()
+                     << "- url:" << url << Qt::endl;
             } else {
                 qout << "Item in symbol-table:" << id.toString() << "- localIndex:" << decl.localIndex() << "- url:" <<
                     url;
@@ -470,7 +462,7 @@ struct DebugVisitor
                 } else {
                     qout << "- null declaration";
                 }
-                qout << endl;
+                qout << Qt::endl;
             }
         }
 
@@ -490,8 +482,8 @@ void PersistentSymbolTable::dump(const QTextStream& out)
     LockedItemRepository::read<PersistentSymbolTable>([&](const PersistentSymbolTableRepo& repo) {
         repo.visitAllItems(v);
 
-        qout << "Statistics:" << endl;
-        qout << repo.statistics() << endl;
+        qout << "Statistics:" << Qt::endl;
+        qout << repo.statistics() << Qt::endl;
     });
 }
 

kdevplatform/language/duchain/tests/test_identifier.cpp

@@ -97,11 +97,7 @@ void TestIdentifier::testIdentifier_data()
 void TestIdentifier::testQualifiedIdentifier()
 {
     QFETCH(QString, stringId);
-#if QT_VERSION >= QT_VERSION_CHECK(5, 15, 0)
     const QStringList list = stringId.split(QStringLiteral("::"), Qt::SkipEmptyParts);
-#else
-    const QStringList list = stringId.split(QStringLiteral("::"), QString::SkipEmptyParts);
-#endif
     QualifiedIdentifier id(stringId);
     QCOMPARE(id.isEmpty(), stringId.isEmpty());
     QCOMPARE(id, QualifiedIdentifier(stringId));

kdevplatform/language/duchain/topducontext.cpp

@@ -999,12 +999,8 @@ void TopDUContext::clearProblems()
 QVector<DUContext*> TopDUContext::importers() const
 {
     ENSURE_CAN_READ
-#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
     const QSet<DUContext*>& directImporters = m_local->m_directImporters;
     return QVector<DUContext*>(directImporters.begin(), directImporters.end());
-#else
-    return QVector<DUContext*>::fromList(m_local->m_directImporters.values());
-#endif
 }
 
 QList<DUContext*> TopDUContext::loadedImporters() const

kdevplatform/language/duchain/topducontext.h

@@ -380,16 +380,9 @@ inline uint qHash(const ReferencedTopDUContext& ctx)
     return ctx.hash();
 }
 
-#if QT_VERSION >= QT_VERSION_CHECK(5, 12, 0)
 Q_DECLARE_OPERATORS_FOR_FLAGS(TopDUContext::Features)
-#endif
-
 }
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 12, 0)
-Q_DECLARE_OPERATORS_FOR_FLAGS(KDevelop::TopDUContext::Features)
-#endif
-
 Q_DECLARE_TYPEINFO(KDevelop::ReferencedTopDUContext, Q_MOVABLE_TYPE);
 Q_DECLARE_METATYPE(KDevelop::ReferencedTopDUContext)
 

kdevplatform/language/interfaces/quickopenfilter.h

@@ -89,11 +89,7 @@ public:
 
         m_filtered.clear();
 
-#if QT_VERSION >= QT_VERSION_CHECK(5, 15, 0)
         QStringList typedFragments = text.split(QStringLiteral("::"), Qt::SkipEmptyParts);
-#else
-        QStringList typedFragments = text.split(QStringLiteral("::"), QString::SkipEmptyParts);
-#endif
         if (typedFragments.isEmpty()) {
             clearFilter();
             return;